$\sim (p \wedge q)$ is equal to .....
$\sim p\; \vee \sim q$
$\sim p\; \wedge \sim q$
$\sim p \wedge q$
$p\; \wedge \sim q$
Which of the following is not a statement
Which of the following statements is a tautology?
If the inverse of the conditional statement $p \to \left( { \sim q\ \wedge \sim r} \right)$ is false, then the respective truth values of the statements $p, q$ and $r$ is
Which of the following is not a statement
Which one of the following is a tautology ?